Star Tech.com Dual-Port QSFP+ Server NIC Card Add two high-bandwidth 40 Gigabit fiber Ethernet ports to your server or workstation, using the QSFP+ transceiver of your choice Key features Add two open 40G QSFP+ slots to your server or workstation for fast, high-bandwidth connectivity Provides redundant network links to mission-critical systems Compatible with multimode & single-mode fiber